The investment component is an important part of GDP calculation. It measures spending on capital goods like equipment, software, structures that will be used in future production. This includes business spending on new factories, machinery, housing etc. Tracking this investment spending gives insight into the productive capacity and health of the economy. Multiple key indicators like economic growth, inflation, interest rates are impacted.

Investment key part of expenditures making up GDP
GDP is calculated based on total spending in the economy. This spending is divided into four main components – consumption, investment, government purchases and net exports. Investment measures funds utilized by business towards items supporting future output like plants, technology upgrades. Without tracking these capital expenditures, GDP measurement would be incomplete.
Investment indicator for economy’s productive capacity
The level of business investment indicates how much the economy is building up capital assets that assist long term production. If new software, equipment purchases decline, it signals the economy’s capacity for future output is reducing. On the contrary, accelerating investment denotes the economy strengthening its production infrastructure.
Impacts economic growth, interest rates and more
Rising investment is a positive sign for broader economic growth as it enables increased future output of goods and services. This capital spending also impacts variables like interest rates and inflation. If investment demand grows rapidly, it leads to competition for funds that can drive up interest costs. The resulting productivity gains moderate inflation.
In summary, tracking the investment component of GDP provides a window into capital expenditures crucial for economy’s health. It serves as forecaster of production capacity, economic growth and other key indicators.